Electrical Quantities and Ohm's Law

A current has 50 volts and 5 ohms of resistance. What is the value of current?

10A

A circuit has a resistance of 20 Ohms. The current is 6A. How many volts are applied to the circuit?

120V

Approx how many horsepower is an electric device listed as 3,000 watts?

4 HP

An electric motor is running on 120V, the current is 2A, How much resistance is in the circuit?

60 ohms

What law states that the force of electromotive attraction or repulsion is directly proportional to the product of the two charges and inversely proportional to the square of the distance between them

Coulomb's law

True of false- During normal operation of a typical 120-volt appliance circuit, current flows through the hot, grounding, and neutral conductors

False

True or false -Voltage flows through an electric circuit like water flows through a pipe.

False

The unit of resistance to current flow is:

Ohm

One coulomb per second is equal to

One Ampere

What causes a wire to become warm when current flows through it?

Resistance

True of false- The grounding prong of a plug should never be cut off or be bypassed.

True

What is another term for electromotive force (EMF)

Voltage

The amount of electric power being used in a circuit is measured in

Watts

The amount of potential necessary to cause 1 coulomb to produce 1 joule of work is:

a Volt

A complete circuit is often referred to as a _____ circuit

closed

If a circuit is open, current will:

not flow

What type of circuit generally occurs when the conductors leading from and back to the power source become connected?

short

The neutral conductor is also referred to as:

the Grounded conductor